AnnotationReader.php
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AnnotationReader.php
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	<?php

	namespace Wikimedia\DebugInfo;

	/**
	* Utility class for reading doc comment annotations
	*
	* @since 1.40
	*/
	class AnnotationReader {
	/** @var bool[] */
	private static $cache = [];

	/**
	* Determine whether a ReflectionProperty has a specified annotation
	*
	* @param \ReflectionProperty $property
	* @param string $annotationName
	* @return bool
	*/
	public static function propertyHasAnnotation(
	\ReflectionProperty $property,
	string $annotationName
	) {
	$cacheKey = "$annotationName@{$property->class}::{$property->name}";
	if ( !isset( self::$cache[$cacheKey] ) ) {
	$comment = $property->getDocComment();
	if ( $comment === false ) {
	self::$cache[$cacheKey] = false;
	} else {
	$encAnnotation = preg_quote( $annotationName, '!' );
	self::$cache[$cacheKey] =
	(bool)preg_match( "!^[ \t](/\\\|\)[ \t]*@$encAnnotation\b!im", $comment );
	}
	}
	return self::$cache[$cacheKey];
	}
	}